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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 3565123575

Certificate GIA 3565123575

Diamond specifications and retailer prices

From $11,651 NZD
HK$51,300 HKD
As of November 1, 2026
Save $14,213 NZD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $25,864 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565123575. Listed at 23 retailers as of October 30, 2026, with prices from $11,651 to $25,864, a $14,213 spread on the same certified stone. NZ Jewellers lists it at $25,864. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3565123575
Dimensions7.28 × 7.32 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.28 mm7.32 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3565123575
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $25,864 NZD|Low: $11,651 NZD|High: $25,864 NZD|Avg: $16,715 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 14$11,651 NZD
Retailer 9$12,340 NZD
Retailer 7$13,263 NZD
Retailer 8$13,624 NZD
Retailer 16$14,274 NZD
Retailer 12$14,313 NZD
Retailer 5$14,644 NZD
Retailer 11$14,880 NZD
Retailer 4$15,465 NZD
Retailer 3$15,703 NZD
Retailer 2$16,823 NZD
Retailer 6$17,844 NZD
Retailer 13$18,998 NZD
Retailer 15$21,069 NZD
Retailer 10$21,551 NZD
NZ Jewellers$25,864 NZD

22 data points across 16 retailers

23 retailers$11,651 NZD to $25,864 NZD

A
Cheapest Retailer
-
$11,651 NZD
HK$51,300 HKD
A
Retailer 2
-
$12,340 NZD
₹662,356 INR
View
A
Retailer 3
-
$12,498 NZD
$7,044 USD
View
A
Retailer 4
-
$13,263 NZD
$7,475 USD
View
Retailer 5
-
$13,277 NZD
SGD 10,112 SGD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$13,321 NZD
$7,508 USD
View
A
Retailer 7
-
$13,624 NZD
SGD 10,376 SGD
View
B+
Retailer 8
-
$14,038 NZD
$7,912 USD
View
B+
Retailer 9
-
$14,044 NZD
$7,915 USD
View
B+
Retailer 10
-
$14,274 NZD
$8,045 USD
View
B+
Retailer 11
-
$14,274 NZD
$8,045 USD
View
Final sale: no returns
A
Retailer 12
-
$14,313 NZD
£6,352 GBP
View
Retailer 13
-
$14,644 NZD
A$12,697 AUD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$14,880 NZD
£6,603 GBP
View
B+
Retailer 15
-
$15,465 NZD
$8,716 USD
View
B+
Retailer 16
-
$15,703 NZD
$8,850 USD
View
B+
Retailer 17
-
$15,800 NZD
$8,905 USD
View
B+
Retailer 18
-
$16,823 NZD
€9,030 EUR
View
B+
Retailer 19
-
$17,844 NZD
$10,057 USD
View
B+
Retailer 20
-
$18,998 NZD
ZAR 172,981 ZAR
View
B+
Retailer 21
-
$21,069 NZD
£9,350 GBP
View
B+
Retailer 22
-
$21,551 NZD
£9,564 GBP
View
Most Expensive
B
NZ Jewellers
8b5dc1ce-447b-4a66-972a-75fa6132eefe · Oct 30
$25,864 NZD
$14,577 USD
View
22 more retailers have this diamond
Prices start from $11,651 NZDSave up to $14,213 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.50ct Round
$11,651 NZD